52120332 has 36 divisors (see below), whose sum is σ = 143726856. Its totient is φ = 15793920.

The previous prime is 52120303. The next prime is 52120339. The reversal of 52120332 is 23302125.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (52120339) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65413 + ... + 66204.

Almost surely, 2^52120332 is an apocalyptic number.

It is an amenable number.

52120332 is an abundant number, since it is smaller than the sum of its proper divisors (91606524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52120332 is a wasteful number, since it uses less digits than its factorization.

52120332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131638 (or 131633 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 52120332 is about 7219.4412526178. The cubic root of 52120332 is about 373.5388044821.

Adding to 52120332 its reverse (23302125), we get a palindrome (75422457).

The spelling of 52120332 in words is "fifty-two million, one hundred twenty thousand, three hundred thirty-two".